Factors / Factors of 388

Factors of 388

1, 2, 4, 97, 194, 388

388 breaks into 3 pairs, tested up to √388 ≈ 19.7; each pair multiplies back to 388 exactly. 388's full pair list is (1, 388), (2, 194), (4, 97), for 6 divisors in total. 388's divisors other than 388 itself sum to just 298, 90 below 388: the common deficient case. 388 is even, digit sum 19 for 388; small divisors of 388 include 2, 4. 388 has 6 divisors; 387 has 6 and 389 has 2, so 387 wins here. 388 divided by its largest divisor, 194, gives 2.